Table 2.
Year | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
---|---|---|---|---|---|---|---|---|---|---|
Missing Data |
1204 91 |
1148 02 |
8119 0 |
7056 5 |
6891 8 |
6207 9 |
6113 4 |
6078 1 |
6058 7 |
8265 4 |
Missing Data Percent age |
99.99 % |
95.28 % |
67.38 % |
58.56 % |
57.20 % |
51.52 % |
50.74 % |
50.44 % |
50.28 % |
68.60 % |